Roo/bootstrap/Modal.js

diff --git a/Roo/bootstrap/Modal.js b/Roo/bootstrap/Modal.js
index 7d40f7b..0708b56 100644 (file)
--- a/Roo/bootstrap/Modal.js
+++ b/Roo/bootstrap/Modal.js
@@ -274,7 +274,7 @@ Roo.extend(Roo.bootstrap.Modal, Roo.bootstrap.Component,  {
             
             // for fix height
             if(this.height) {
-                this.setSize(w, this.height);
+                this.setSize(w, this.height || Roo.lib.Dom.getViewportWidth(true) - 30);
                 return;
             }